According to investigators, the victim left Tavern in the Square on Brighton Ave after 12:30 a.m. and entered a dark-colored sedan- what she believed to be a rideshare service car. The victim said she was sexually assaulted by a passenger who is described as a black male in his early twenties with short hair, a 6'0" slim build, wearing a long sleeve flannel shirt.

The Boston Police Sexual Assault Unit is investigating the incident. Anyone with information is asked to contact detectives at 617-343-4400.